State three properties of lasers that make them preferable to ordinary light beam.

PHYSICSWAEC 2020

Explanation

- Travels a very long distance without losing its intensity

- Has a very narrow optical bandwidth.

- Gives more intense light/power

- Is monochromatic

Back to WAEC 2020 Questions Previous Question Next Question

Post an Explanation Or Report an Error

If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly.

Your email address will not be published. Required fields are marked *